Nuphar advena var. erythraea (G.S. Miller & Standley) Standley
Nuphar advena var. erythraea (G.S. Miller & Standley) Standley is a synonym sensu Padgett, 2007 of:
Nuphar advena (Aiton) W.T. Aiton subsp. advena, an accepted subspecies name sensu Padgett, 2007.